A Tale Etched in Time
There she blows! A detective case tracking the motion of material ejected from a star to figure out when the star exploded.
An H II Region Walks into A Bar
High resolution observations of the Orion Nebula show a complex collision between two extreme types of gas.
The Predictor of Pulsar Timing
Since gravitational waves are now on the tip of every astronomer’s tongue, today’s post looks back at a classic paper’s key result that is quintessential in the search for gravitational waves using pulsar timing arrays.
There are weird dots in the sky…
Sometimes a mystery can hide in apparently plain things. Astronomers have just discovered that a delta Scuti star known for over 40 years is actually something entirely different and full of peculiarities.
Image via M. Garlick/University of Warwick, ESA/Hubble.
A new galactic component of cosmic rays?
Today’s paper investigates the mass composition of galactic cosmic rays using radio astronomy measurements
Observing an Exo-Kuiper Belt
The authors of today’s paper wanted to use the best available instruments to image HR 8799’s outer debris disk, and look for whether “planet b” appears to have cleared out the disk, in the same way Neptune did for the Kuiper Belt.